The followup to Sony Ericsson's slightly-priceyXperia X1 may or may not be the phone seen in these spyshots obtained by Engadget. Thought to be the X2, the phone seems to share similar traits as its predecessor, including Windows Mobile.

The Gadget: The Sony Ericsson Xperia X1 is the new flagship smartphone for the electronics giant.…
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Lurking in the shadows under the codename Vulcan, the smartphone's keyboard looks redesigned, and the Windows insignia in the upper left hand corner seems to tip off what the mobile OS will be. No other details surfaced with the images, but here's hoping that this iteration has a capacitive touchscreen, WinMo 6.5 and a lower pricetag than the X1. [Engadget via Electronista]